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Public Tours

The Observatory Gift Shop is currently open 10 AM - 4 PM, Friday-Monday with restrictions.

Tours are not currently available, but they will become available when Phase 3 is authorized to begin (currently no sooner than July 6th) and will require an advance reservation. Tickets for future tours may be purchased below.


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Weather Summaries

May 2020 Summary – Drier and Sunnier Than Average

May 2020 Summary – Drier and Sunnier Than Average

Blue Hill Observatory May 2020 Summary: May was unusually dry and sunny with variable temperatures. The 24-hour adjusted mean temperature for the month of 56.1 deg F was 0.8 degrees warmer than the 120-year average for May, but it was 0.1 degrees colder than the 1981-2010 30-year average. The average maximum temperature of 67.2 deg […]

| June 13, 2020 | Reply
April 2020 Summary – Seventh Wettest and Eighth Cloudiest on Record

April 2020 Summary – Seventh Wettest and Eighth Cloudiest on Record

Blue Hill Observatory April 2020 Summary: April was unusually cold, wet and cloudy with near average snowfall. The 24-hour adjusted mean temperature for the month of 42.9 deg F was 1.8 degrees colder than the 120-year average for April and 3.4 degrees colder than the 1981-2010 30-year average. Cold daily high temperatures were persistent throughout […]

| May 9, 2020 | Reply

What's Happening on the Hill

Observatory Gift Shop Reopens

Observatory Gift Shop Reopens

The Blue Hill Observatory Gift Shop is now open to the public Friday through Monday 10 a.m – 4 p.m.. Tours can not be offered until authorized by the Governor. We expect that will be when we begin Phase 3. Please note, face masks are required inside the Observatory and only four people at a […]

| June 15, 2020 | Reply
Tim Kelley’s favorite websites

Tim Kelley’s favorite websites

As a follow up to Tim Kelley’s informative Blue Hill Online program last week, here are Tim’s favorite weather websites. https://bluehill.org/observatory https://www.weather.gov/ https://www.weather.gov/box/ https://mag.ncep.noaa.gov/model-guidance-model-area.php https://tgftp.nws.noaa.gov/data/raw/fo/fous61.kwno..txt https://home.pivotalweather.com/ https://www.weathertap.com/ https://www.spc.noaa.gov/ https://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/nao.shtml https://www.mountwashington.org/ https://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php https://weather.msfc.nasa.gov/GOES/ https://www.weather.gov/nerfc/ https://ocean.weather.gov/Atl_tab.php

| May 8, 2020 | Reply
Observatory Temporarily Closed to the Public

Observatory Temporarily Closed to the Public

As a preemptive measure to protect our community and staff from the spread of COVID-19, we have made the decision to discontinue public access to the Observatory until further notice. Our staff will continue the climate observing program on its regular schedule.

| March 13, 2020 | Reply
Blue Hill Observatory Begins Earthquake Monitoring

Blue Hill Observatory Begins Earthquake Monitoring

Blue Hill Observatory has been watching the weather since 1885, and Boston College’s Weston Observatory has been watching the Earth quake since 1931. We are now joining forces to monitor the Earth with a recently installed seismograph at Blue Hill. In collaboration with Dr. Alan Kafka, Director of Weston Observatory, Blue Hill purchased and installed […]

| February 11, 2020 | 2 Replies
A Grand Achievement—Blue Hill Observatory’s Unbroken 135 Year Recording of the Weather—Help Us Celebrate!

A Grand Achievement—Blue Hill Observatory’s Unbroken 135 Year Recording of the Weather—Help Us Celebrate!

Imagine, Blue Hill Observatory’s first weather observations were made on February 1, 1885 at the top of Great Blue Hill— from that day on we have maintained an unbroken recording of the weather! Considered a remarkable resource, Blue Hill Observatory’s data is the most homogeneous climate record in North America and is a benchmark station […]

| February 3, 2020 | Reply